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Heat Interface Unit (HIU) Repairs & Servicing in Essex
Specialist HIU Repairs and Maintenance by Essex Home Heating.
At Essex Home Heating, we provide expert Heat Interface Unit (HIU) repairs and servicing for residential properties across Hornchurch and throughout Essex. If your HIU isn’t working as it should, our experienced engineers can diagnose and fix issues quickly—restoring your heating and hot water with minimal disruption.
What is a HIU- Heat Interface Unit?
A Heat Interface Unit (HIU) connects your home to a central or communal heating system, delivering on-demand heating and hot water without the need for an individual boiler. These systems are common in apartment blocks, new developments, and properties using district heating.
Our HIU Services:
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🔧 HIU Repairs – Rapid fault diagnosis and repair of common HIU issues
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🛠️ Annual HIU Servicing – Prevent breakdowns, improve efficiency, and meet maintenance requirements
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🧪 Performance Testing – Ensure your HIU is operating at optimal efficiency
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♻️ Cleaning & Descaling – Protect internal components and extend unit lifespan
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🕵️ Expert Diagnostics – We identify faults others miss
We work with all major HIU brands including Evinox, SAV, Danfoss, Altecnic, and more.
Signs Your HIU Needs Servicing or Repair:
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No heating or hot water
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Strange noises or vibrations
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Leaking from the unit
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Fluctuating temperatures or poor water pressure
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Energy bills rising unexpectedly
Don’t wait for a breakdown—routine servicing helps avoid costly repairs, ensures efficiency, and keeps your home warm all year round.
14
YEARS'
EXPERIENCE
